/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * Execution listeners
 */

angular.module('flowableModeler').controller('FlowableMessageDefinitionsCtrl', [
  '$scope',
  '$modal',
  function($scope, $modal) {
    // Config for the modal window
    var opts = {
      template: 'editor-app/configuration/properties/message-definitions-popup.html?version=' + Date.now(),
      scope: $scope
    }

    // Open the dialog
    _internalCreateModal(opts, $modal, $scope)
  }
])

//Need a separate controller for the modal window due to https://github.com/angular-ui/bootstrap/issues/259
// Will be fixed in a newer version of Angular UI
angular.module('flowableModeler').controller('FlowableMessageDefinitionsPopupCtrl', [
  '$scope',
  '$q',
  '$translate',
  '$timeout',
  function($scope, $q, $translate, $timeout) {
    // Put json representing mesage definitions on scope
    if ($scope.property.value !== undefined && $scope.property.value !== null && $scope.property.value.length > 0) {
      if ($scope.property.value.constructor == String) {
        $scope.messageDefinitions = JSON.parse($scope.property.value)
      } else {
        // Note that we clone the json object rather then setting it directly,
        // this to cope with the fact that the user can click the cancel button and no changes should have happened
        $scope.messageDefinitions = angular.copy($scope.property.value)
      }
    } else {
      $scope.messageDefinitions = []
    }

    // Array to contain selected mesage definitions (yes - we only can select one, but ng-grid isn't smart enough)
    $scope.selectedMessageDefinition = undefined
    $scope.translationsRetrieved = false

    $scope.labels = {}

    var idPromise = $translate('PROPERTY.MESSAGEDEFINITIONS.ID')
    var namePromise = $translate('PROPERTY.MESSAGEDEFINITIONS.NAME')

    $q.all([idPromise, namePromise]).then(function(results) {
      $scope.labels.idLabel = results[0]
      $scope.labels.nameLabel = results[1]
      $scope.translationsRetrieved = true

      // Config for grid
      $scope.gridOptions = {
        data: $scope.messageDefinitions,
        headerRowHeight: 28,
        enableRowSelection: true,
        enableRowHeaderSelection: false,
        multiSelect: false,
        modifierKeysToMultiSelect: false,
        enableHorizontalScrollbar: 0,
        enableColumnMenus: false,
        enableSorting: false,
        columnDefs: [
          { field: 'id', displayName: $scope.labels.idLabel },
          { field: 'name', displayName: $scope.labels.nameLabel }
        ]
      }

      $scope.gridOptions.onRegisterApi = function(gridApi) {
        //set gridApi on scope
        $scope.gridApi = gridApi
        gridApi.selection.on.rowSelectionChanged($scope, function(row) {
          $scope.selectedMessageDefinition = row.entity
        })
      }
    })

    // Click handler for add button
    $scope.addNewMessageDefinition = function() {
      var newMessageDefinition = { id: '', name: '' }

      $scope.messageDefinitions.push(newMessageDefinition)
      // $timeout(function() {
      //   $scope.gridApi.selection.toggleRowSelection(newMessageDefinition)
      // })
    }

    // Click handler for remove button
    $scope.removeMessageDefinition = function(selectedMessageDefinition) {
      // var selectedItems = $scope.gridApi.selection.getSelectedRows()
      if (selectedMessageDefinition) {
        var index = $scope.messageDefinitions.indexOf(selectedMessageDefinition)
        // $scope.gridApi.selection.toggleRowSelection(selectedItems[0])
        $scope.messageDefinitions.splice(index, 1)

        // if ($scope.messageDefinitions.length == 0) {
        //   $scope.selectedMesageDefinition = undefined
        // }

        // $timeout(function() {
        //   if ($scope.messageDefinitions.length > 0) {
        //     $scope.gridApi.selection.toggleRowSelection($scope.messageDefinitions[0])
        //   }
        // })
      }
    }

    // Click handler for save button
    $scope.save = function() {
      if ($scope.messageDefinitions.length > 0) {
        $scope.property.value = $scope.messageDefinitions
      } else {
        $scope.property.value = null
      }

      $scope.updatePropertyInModel($scope.property)
      $scope.close()
    }

    $scope.cancel = function() {
      $scope.property.mode = 'read'
      $scope.$hide()
    }

    // Close button handler
    $scope.close = function() {
      $scope.property.mode = 'read'
      $scope.$hide()
    }
  }
])
